1431124140 has 48 divisors (see below), whose sum is σ = 4034066400. Its totient is φ = 379069440.

The previous prime is 1431124133. The next prime is 1431124157. The reversal of 1431124140 is 414211341.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71101 + ... + 88980.

It is an arithmetic number, because the mean of its divisors is an integer number (84043050).

Almost surely, 2^1431124140 is an apocalyptic number.

1431124140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1431124140 is an abundant number, since it is smaller than the sum of its proper divisors (2602942260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1431124140 is a wasteful number, since it uses less digits than its factorization.

1431124140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160242 (or 160240 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1431124140 is about 37830.2014269023. The cubic root of 1431124140 is about 1126.9183112999.

Adding to 1431124140 its reverse (414211341), we get a palindrome (1845335481).

The spelling of 1431124140 in words is "one billion, four hundred thirty-one million, one hundred twenty-four thousand, one hundred forty".